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Finding the Fourth Proportional to 124,253.96, 186,386.70 and 35,520.08

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Solution

The fourth proportional to 124,253.96, 186,386.70 and 35,520.08 is: 53,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,253.96 : 186,386.70 = 35,520.08 : x
  2. Step 2: Convert to fraction form
    124,253.96/186,386.70 = 35,520.08/x
  3. Step 3: Cross multiply
    124,253.96x = 186,386.70 × 35,520.08
  4. Step 4: Simplify right side
    124,253.96x = 6,620,470,494.94
  5. Step 5: Solve for x
    x = 6,620,470,494.94/124,253.96
  6. Step 6: Final answer
    x = 53,281.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.